chore(deps): update actions/checkout action to v5 (#101)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
             matrix:
                 php-version: [8.3]
         steps:
-            -   uses: actions/checkout@v4
+            -   uses: actions/checkout@v5
             -   uses: shivammathur/setup-php@v2
                 with:
                     coverage: none
@@ -42,7 +42,7 @@ jobs:
             matrix:
                 php-version: [8.3]
         steps:
-            -   uses: actions/checkout@v4
+            -   uses: actions/checkout@v5
             -   uses: shivammathur/setup-php@v2
                 with:
                     coverage: none
@@ -74,7 +74,7 @@ jobs:
                 dependencies: ["", --prefer-lowest]
 
         steps:
-            -   uses: actions/checkout@v4
+            -   uses: actions/checkout@v5
             -   uses: shivammathur/setup-php@v2
                 with:
                     coverage: "pcov"
@@ -115,7 +115,7 @@ jobs:
 
         steps:
             - name: "Checkout"
-              uses: actions/checkout@v4
+              uses: actions/checkout@v5
               with:
                   fetch-depth: 2